mirror of
				https://gitlab.com/ytdl-org/youtube-dl.git
				synced 2025-11-03 19:27:08 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			603 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			603 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from __future__ import unicode_literals
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import binascii
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import collections
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import email
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import getpass
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import io
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import optparse
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import os
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import re
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import shlex
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import shutil
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import socket
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import subprocess
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import sys
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import itertools
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import xml.etree.ElementTree
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try:
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    import urllib.request as compat_urllib_request
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except ImportError:  # Python 2
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    import urllib2 as compat_urllib_request
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try:
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    import urllib.error as compat_urllib_error
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except ImportError:  # Python 2
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    import urllib2 as compat_urllib_error
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try:
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    import urllib.parse as compat_urllib_parse
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except ImportError:  # Python 2
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    import urllib as compat_urllib_parse
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try:
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    from urllib.parse import urlparse as compat_urllib_parse_urlparse
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except ImportError:  # Python 2
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    from urlparse import urlparse as compat_urllib_parse_urlparse
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try:
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    import urllib.parse as compat_urlparse
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except ImportError:  # Python 2
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    import urlparse as compat_urlparse
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try:
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    import urllib.response as compat_urllib_response
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except ImportError:  # Python 2
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    import urllib as compat_urllib_response
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try:
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    import http.cookiejar as compat_cookiejar
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except ImportError:  # Python 2
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    import cookielib as compat_cookiejar
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try:
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    import http.cookies as compat_cookies
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except ImportError:  # Python 2
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    import Cookie as compat_cookies
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try:
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    import html.entities as compat_html_entities
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except ImportError:  # Python 2
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    import htmlentitydefs as compat_html_entities
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try:
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    import http.client as compat_http_client
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except ImportError:  # Python 2
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    import httplib as compat_http_client
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try:
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    from urllib.error import HTTPError as compat_HTTPError
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except ImportError:  # Python 2
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    from urllib2 import HTTPError as compat_HTTPError
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try:
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    from urllib.request import urlretrieve as compat_urlretrieve
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except ImportError:  # Python 2
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    from urllib import urlretrieve as compat_urlretrieve
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try:
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    from html.parser import HTMLParser as compat_HTMLParser
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except ImportError:  # Python 2
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    from HTMLParser import HTMLParser as compat_HTMLParser
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try:
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    from subprocess import DEVNULL
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    compat_subprocess_get_DEVNULL = lambda: DEVNULL
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except ImportError:
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    compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w')
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try:
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    import http.server as compat_http_server
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except ImportError:
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    import BaseHTTPServer as compat_http_server
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try:
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    compat_str = unicode  # Python 2
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except NameError:
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    compat_str = str
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try:
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    from urllib.parse import unquote_to_bytes as compat_urllib_parse_unquote_to_bytes
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    from urllib.parse import unquote as compat_urllib_parse_unquote
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    from urllib.parse import unquote_plus as compat_urllib_parse_unquote_plus
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except ImportError:  # Python 2
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    _asciire = (compat_urllib_parse._asciire if hasattr(compat_urllib_parse, '_asciire')
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                else re.compile('([\x00-\x7f]+)'))
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    # HACK: The following are the correct unquote_to_bytes, unquote and unquote_plus
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    # implementations from cpython 3.4.3's stdlib. Python 2's version
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    # is apparently broken (see https://github.com/rg3/youtube-dl/pull/6244)
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    def compat_urllib_parse_unquote_to_bytes(string):
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        """unquote_to_bytes('abc%20def') -> b'abc def'."""
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        # Note: strings are encoded as UTF-8. This is only an issue if it contains
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        # unescaped non-ASCII characters, which URIs should not.
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        if not string:
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            # Is it a string-like object?
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            string.split
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            return b''
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        if isinstance(string, compat_str):
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            string = string.encode('utf-8')
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        bits = string.split(b'%')
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        if len(bits) == 1:
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            return string
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        res = [bits[0]]
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        append = res.append
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        for item in bits[1:]:
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            try:
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                append(compat_urllib_parse._hextochr[item[:2]])
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                append(item[2:])
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            except KeyError:
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                append(b'%')
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                append(item)
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        return b''.join(res)
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    def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
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        """Replace %xx escapes by their single-character equivalent. The optional
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        encoding and errors parameters specify how to decode percent-encoded
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        sequences into Unicode characters, as accepted by the bytes.decode()
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        method.
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        By default, percent-encoded sequences are decoded with UTF-8, and invalid
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        sequences are replaced by a placeholder character.
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        unquote('abc%20def') -> 'abc def'.
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        """
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        if '%' not in string:
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            string.split
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            return string
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        if encoding is None:
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            encoding = 'utf-8'
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        if errors is None:
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            errors = 'replace'
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        bits = _asciire.split(string)
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        res = [bits[0]]
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        append = res.append
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        for i in range(1, len(bits), 2):
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            append(compat_urllib_parse_unquote_to_bytes(bits[i]).decode(encoding, errors))
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            append(bits[i + 1])
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        return ''.join(res)
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    def compat_urllib_parse_unquote_plus(string, encoding='utf-8', errors='replace'):
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        """Like unquote(), but also replace plus signs by spaces, as required for
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        unquoting HTML form values.
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        unquote_plus('%7e/abc+def') -> '~/abc def'
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        """
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        string = string.replace('+', ' ')
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        return compat_urllib_parse_unquote(string, encoding, errors)
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try:
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    from urllib.request import DataHandler as compat_urllib_request_DataHandler
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except ImportError:  # Python < 3.4
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    # Ported from CPython 98774:1733b3bd46db, Lib/urllib/request.py
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    class compat_urllib_request_DataHandler(compat_urllib_request.BaseHandler):
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        def data_open(self, req):
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            # data URLs as specified in RFC 2397.
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            #
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            # ignores POSTed data
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            #
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            # syntax:
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            # dataurl   := "data:" [ mediatype ] [ ";base64" ] "," data
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            # mediatype := [ type "/" subtype ] *( ";" parameter )
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            # data      := *urlchar
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            # parameter := attribute "=" value
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            url = req.get_full_url()
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            scheme, data = url.split(':', 1)
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            mediatype, data = data.split(',', 1)
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            # even base64 encoded data URLs might be quoted so unquote in any case:
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            data = compat_urllib_parse_unquote_to_bytes(data)
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            if mediatype.endswith(';base64'):
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                data = binascii.a2b_base64(data)
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                mediatype = mediatype[:-7]
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            if not mediatype:
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                mediatype = 'text/plain;charset=US-ASCII'
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            headers = email.message_from_string(
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                'Content-type: %s\nContent-length: %d\n' % (mediatype, len(data)))
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            return compat_urllib_response.addinfourl(io.BytesIO(data), headers, url)
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try:
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    compat_basestring = basestring  # Python 2
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except NameError:
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    compat_basestring = str
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try:
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    compat_chr = unichr  # Python 2
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except NameError:
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    compat_chr = chr
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try:
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    from xml.etree.ElementTree import ParseError as compat_xml_parse_error
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except ImportError:  # Python 2.6
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    from xml.parsers.expat import ExpatError as compat_xml_parse_error
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if sys.version_info[0] >= 3:
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    compat_etree_fromstring = xml.etree.ElementTree.fromstring
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else:
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    # python 2.x tries to encode unicode strings with ascii (see the
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    # XMLParser._fixtext method)
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    etree = xml.etree.ElementTree
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    try:
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        _etree_iter = etree.Element.iter
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    except AttributeError:  # Python <=2.6
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        def _etree_iter(root):
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            for el in root.findall('*'):
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                yield el
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                for sub in _etree_iter(el):
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                    yield sub
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    # on 2.6 XML doesn't have a parser argument, function copied from CPython
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    # 2.7 source
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    def _XML(text, parser=None):
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        if not parser:
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            parser = etree.XMLParser(target=etree.TreeBuilder())
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        parser.feed(text)
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        return parser.close()
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    def _element_factory(*args, **kwargs):
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        el = etree.Element(*args, **kwargs)
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        for k, v in el.items():
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            if isinstance(v, bytes):
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                el.set(k, v.decode('utf-8'))
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        return el
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    def compat_etree_fromstring(text):
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        doc = _XML(text, parser=etree.XMLParser(target=etree.TreeBuilder(element_factory=_element_factory)))
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        for el in _etree_iter(doc):
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            if el.text is not None and isinstance(el.text, bytes):
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                el.text = el.text.decode('utf-8')
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        return doc
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if sys.version_info < (2, 7):
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    # Here comes the crazy part: In 2.6, if the xpath is a unicode,
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    # .//node does not match if a node is a direct child of . !
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    def compat_xpath(xpath):
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        if isinstance(xpath, compat_str):
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            xpath = xpath.encode('ascii')
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        return xpath
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else:
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    compat_xpath = lambda xpath: xpath
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try:
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    from urllib.parse import parse_qs as compat_parse_qs
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except ImportError:  # Python 2
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    # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
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    # Python 2's version is apparently totally broken
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    def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False,
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                   encoding='utf-8', errors='replace'):
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        qs, _coerce_result = qs, compat_str
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        pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
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        r = []
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        for name_value in pairs:
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            if not name_value and not strict_parsing:
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                continue
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            nv = name_value.split('=', 1)
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            if len(nv) != 2:
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                if strict_parsing:
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                    raise ValueError('bad query field: %r' % (name_value,))
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                # Handle case of a control-name with no equal sign
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                if keep_blank_values:
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                    nv.append('')
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                else:
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                    continue
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            if len(nv[1]) or keep_blank_values:
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                name = nv[0].replace('+', ' ')
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                name = compat_urllib_parse_unquote(
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                    name, encoding=encoding, errors=errors)
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                name = _coerce_result(name)
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                value = nv[1].replace('+', ' ')
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                value = compat_urllib_parse_unquote(
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                    value, encoding=encoding, errors=errors)
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                value = _coerce_result(value)
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                r.append((name, value))
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        return r
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    def compat_parse_qs(qs, keep_blank_values=False, strict_parsing=False,
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                        encoding='utf-8', errors='replace'):
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        parsed_result = {}
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        pairs = _parse_qsl(qs, keep_blank_values, strict_parsing,
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                           encoding=encoding, errors=errors)
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        for name, value in pairs:
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            if name in parsed_result:
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                parsed_result[name].append(value)
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            else:
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                parsed_result[name] = [value]
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        return parsed_result
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try:
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    from shlex import quote as shlex_quote
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except ImportError:  # Python < 3.3
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    def shlex_quote(s):
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        if re.match(r'^[-_\w./]+$', s):
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            return s
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        else:
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            return "'" + s.replace("'", "'\"'\"'") + "'"
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if sys.version_info >= (2, 7, 3):
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    compat_shlex_split = shlex.split
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else:
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    # Working around shlex issue with unicode strings on some python 2
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    # versions (see http://bugs.python.org/issue1548891)
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    def compat_shlex_split(s, comments=False, posix=True):
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        if isinstance(s, compat_str):
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            s = s.encode('utf-8')
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        return shlex.split(s, comments, posix)
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def compat_ord(c):
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    if type(c) is int:
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        return c
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    else:
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        return ord(c)
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compat_os_name = os._name if os.name == 'java' else os.name
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if sys.version_info >= (3, 0):
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    compat_getenv = os.getenv
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    compat_expanduser = os.path.expanduser
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else:
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    # Environment variables should be decoded with filesystem encoding.
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    # Otherwise it will fail if any non-ASCII characters present (see #3854 #3217 #2918)
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    def compat_getenv(key, default=None):
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        from .utils import get_filesystem_encoding
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        env = os.getenv(key, default)
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        if env:
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            env = env.decode(get_filesystem_encoding())
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        return env
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 | 
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    # HACK: The default implementations of os.path.expanduser from cpython do not decode
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    # environment variables with filesystem encoding. We will work around this by
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    # providing adjusted implementations.
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    # The following are os.path.expanduser implementations from cpython 2.7.8 stdlib
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    # for different platforms with correct environment variables decoding.
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 | 
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    if compat_os_name == 'posix':
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        def compat_expanduser(path):
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            """Expand ~ and ~user constructions.  If user or $HOME is unknown,
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            do nothing."""
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            if not path.startswith('~'):
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                return path
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            i = path.find('/', 1)
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            if i < 0:
 | 
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                i = len(path)
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            if i == 1:
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                if 'HOME' not in os.environ:
 | 
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                    import pwd
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                    userhome = pwd.getpwuid(os.getuid()).pw_dir
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                else:
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                    userhome = compat_getenv('HOME')
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            else:
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                import pwd
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                try:
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                    pwent = pwd.getpwnam(path[1:i])
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                except KeyError:
 | 
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                    return path
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                userhome = pwent.pw_dir
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            userhome = userhome.rstrip('/')
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            return (userhome + path[i:]) or '/'
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    elif compat_os_name == 'nt' or compat_os_name == 'ce':
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        def compat_expanduser(path):
 | 
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            """Expand ~ and ~user constructs.
 | 
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 | 
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            If user or $HOME is unknown, do nothing."""
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            if path[:1] != '~':
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                return path
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            i, n = 1, len(path)
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						|
            while i < n and path[i] not in '/\\':
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                i = i + 1
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 | 
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            if 'HOME' in os.environ:
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                userhome = compat_getenv('HOME')
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            elif 'USERPROFILE' in os.environ:
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                userhome = compat_getenv('USERPROFILE')
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            elif 'HOMEPATH' not in os.environ:
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                return path
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            else:
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                try:
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                    drive = compat_getenv('HOMEDRIVE')
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                except KeyError:
 | 
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                    drive = ''
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                userhome = os.path.join(drive, compat_getenv('HOMEPATH'))
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 | 
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            if i != 1:  # ~user
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                userhome = os.path.join(os.path.dirname(userhome), path[1:i])
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 | 
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            return userhome + path[i:]
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    else:
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        compat_expanduser = os.path.expanduser
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 | 
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 | 
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if sys.version_info < (3, 0):
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    def compat_print(s):
 | 
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        from .utils import preferredencoding
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        print(s.encode(preferredencoding(), 'xmlcharrefreplace'))
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else:
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    def compat_print(s):
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        assert isinstance(s, compat_str)
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        print(s)
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try:
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    subprocess_check_output = subprocess.check_output
 | 
						|
except AttributeError:
 | 
						|
    def subprocess_check_output(*args, **kwargs):
 | 
						|
        assert 'input' not in kwargs
 | 
						|
        p = subprocess.Popen(*args, stdout=subprocess.PIPE, **kwargs)
 | 
						|
        output, _ = p.communicate()
 | 
						|
        ret = p.poll()
 | 
						|
        if ret:
 | 
						|
            raise subprocess.CalledProcessError(ret, p.args, output=output)
 | 
						|
        return output
 | 
						|
 | 
						|
if sys.version_info < (3, 0) and sys.platform == 'win32':
 | 
						|
    def compat_getpass(prompt, *args, **kwargs):
 | 
						|
        if isinstance(prompt, compat_str):
 | 
						|
            from .utils import preferredencoding
 | 
						|
            prompt = prompt.encode(preferredencoding())
 | 
						|
        return getpass.getpass(prompt, *args, **kwargs)
 | 
						|
else:
 | 
						|
    compat_getpass = getpass.getpass
 | 
						|
 | 
						|
# Python < 2.6.5 require kwargs to be bytes
 | 
						|
try:
 | 
						|
    def _testfunc(x):
 | 
						|
        pass
 | 
						|
    _testfunc(**{'x': 0})
 | 
						|
except TypeError:
 | 
						|
    def compat_kwargs(kwargs):
 | 
						|
        return dict((bytes(k), v) for k, v in kwargs.items())
 | 
						|
else:
 | 
						|
    compat_kwargs = lambda kwargs: kwargs
 | 
						|
 | 
						|
 | 
						|
if sys.version_info < (2, 7):
 | 
						|
    def compat_socket_create_connection(address, timeout, source_address=None):
 | 
						|
        host, port = address
 | 
						|
        err = None
 | 
						|
        for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):
 | 
						|
            af, socktype, proto, canonname, sa = res
 | 
						|
            sock = None
 | 
						|
            try:
 | 
						|
                sock = socket.socket(af, socktype, proto)
 | 
						|
                sock.settimeout(timeout)
 | 
						|
                if source_address:
 | 
						|
                    sock.bind(source_address)
 | 
						|
                sock.connect(sa)
 | 
						|
                return sock
 | 
						|
            except socket.error as _:
 | 
						|
                err = _
 | 
						|
                if sock is not None:
 | 
						|
                    sock.close()
 | 
						|
        if err is not None:
 | 
						|
            raise err
 | 
						|
        else:
 | 
						|
            raise socket.error('getaddrinfo returns an empty list')
 | 
						|
else:
 | 
						|
    compat_socket_create_connection = socket.create_connection
 | 
						|
 | 
						|
 | 
						|
# Fix https://github.com/rg3/youtube-dl/issues/4223
 | 
						|
# See http://bugs.python.org/issue9161 for what is broken
 | 
						|
def workaround_optparse_bug9161():
 | 
						|
    op = optparse.OptionParser()
 | 
						|
    og = optparse.OptionGroup(op, 'foo')
 | 
						|
    try:
 | 
						|
        og.add_option('-t')
 | 
						|
    except TypeError:
 | 
						|
        real_add_option = optparse.OptionGroup.add_option
 | 
						|
 | 
						|
        def _compat_add_option(self, *args, **kwargs):
 | 
						|
            enc = lambda v: (
 | 
						|
                v.encode('ascii', 'replace') if isinstance(v, compat_str)
 | 
						|
                else v)
 | 
						|
            bargs = [enc(a) for a in args]
 | 
						|
            bkwargs = dict(
 | 
						|
                (k, enc(v)) for k, v in kwargs.items())
 | 
						|
            return real_add_option(self, *bargs, **bkwargs)
 | 
						|
        optparse.OptionGroup.add_option = _compat_add_option
 | 
						|
 | 
						|
if hasattr(shutil, 'get_terminal_size'):  # Python >= 3.3
 | 
						|
    compat_get_terminal_size = shutil.get_terminal_size
 | 
						|
else:
 | 
						|
    _terminal_size = collections.namedtuple('terminal_size', ['columns', 'lines'])
 | 
						|
 | 
						|
    def compat_get_terminal_size(fallback=(80, 24)):
 | 
						|
        columns = compat_getenv('COLUMNS')
 | 
						|
        if columns:
 | 
						|
            columns = int(columns)
 | 
						|
        else:
 | 
						|
            columns = None
 | 
						|
        lines = compat_getenv('LINES')
 | 
						|
        if lines:
 | 
						|
            lines = int(lines)
 | 
						|
        else:
 | 
						|
            lines = None
 | 
						|
 | 
						|
        if columns is None or lines is None or columns <= 0 or lines <= 0:
 | 
						|
            try:
 | 
						|
                sp = subprocess.Popen(
 | 
						|
                    ['stty', 'size'],
 | 
						|
                    stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 | 
						|
                out, err = sp.communicate()
 | 
						|
                _lines, _columns = map(int, out.split())
 | 
						|
            except Exception:
 | 
						|
                _columns, _lines = _terminal_size(*fallback)
 | 
						|
 | 
						|
            if columns is None or columns <= 0:
 | 
						|
                columns = _columns
 | 
						|
            if lines is None or lines <= 0:
 | 
						|
                lines = _lines
 | 
						|
        return _terminal_size(columns, lines)
 | 
						|
 | 
						|
try:
 | 
						|
    itertools.count(start=0, step=1)
 | 
						|
    compat_itertools_count = itertools.count
 | 
						|
except TypeError:  # Python 2.6
 | 
						|
    def compat_itertools_count(start=0, step=1):
 | 
						|
        n = start
 | 
						|
        while True:
 | 
						|
            yield n
 | 
						|
            n += step
 | 
						|
 | 
						|
if sys.version_info >= (3, 0):
 | 
						|
    from tokenize import tokenize as compat_tokenize_tokenize
 | 
						|
else:
 | 
						|
    from tokenize import generate_tokens as compat_tokenize_tokenize
 | 
						|
 | 
						|
__all__ = [
 | 
						|
    'compat_HTMLParser',
 | 
						|
    'compat_HTTPError',
 | 
						|
    'compat_basestring',
 | 
						|
    'compat_chr',
 | 
						|
    'compat_cookiejar',
 | 
						|
    'compat_cookies',
 | 
						|
    'compat_etree_fromstring',
 | 
						|
    'compat_expanduser',
 | 
						|
    'compat_get_terminal_size',
 | 
						|
    'compat_getenv',
 | 
						|
    'compat_getpass',
 | 
						|
    'compat_html_entities',
 | 
						|
    'compat_http_client',
 | 
						|
    'compat_http_server',
 | 
						|
    'compat_itertools_count',
 | 
						|
    'compat_kwargs',
 | 
						|
    'compat_ord',
 | 
						|
    'compat_os_name',
 | 
						|
    'compat_parse_qs',
 | 
						|
    'compat_print',
 | 
						|
    'compat_shlex_split',
 | 
						|
    'compat_socket_create_connection',
 | 
						|
    'compat_str',
 | 
						|
    'compat_subprocess_get_DEVNULL',
 | 
						|
    'compat_tokenize_tokenize',
 | 
						|
    'compat_urllib_error',
 | 
						|
    'compat_urllib_parse',
 | 
						|
    'compat_urllib_parse_unquote',
 | 
						|
    'compat_urllib_parse_unquote_plus',
 | 
						|
    'compat_urllib_parse_unquote_to_bytes',
 | 
						|
    'compat_urllib_parse_urlparse',
 | 
						|
    'compat_urllib_request',
 | 
						|
    'compat_urllib_request_DataHandler',
 | 
						|
    'compat_urllib_response',
 | 
						|
    'compat_urlparse',
 | 
						|
    'compat_urlretrieve',
 | 
						|
    'compat_xml_parse_error',
 | 
						|
    'compat_xpath',
 | 
						|
    'shlex_quote',
 | 
						|
    'subprocess_check_output',
 | 
						|
    'workaround_optparse_bug9161',
 | 
						|
]
 |